CN201683906U - Real time blood vessel shaping imaging system based on CT 3D rebuilding and angiography - Google Patents
Real time blood vessel shaping imaging system based on CT 3D rebuilding and angiography Download PDFInfo
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- CN201683906U CN201683906U CN2008201239946U CN200820123994U CN201683906U CN 201683906 U CN201683906 U CN 201683906U CN 2008201239946 U CN2008201239946 U CN 2008201239946U CN 200820123994 U CN200820123994 U CN 200820123994U CN 201683906 U CN201683906 U CN 201683906U
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Abstract
The utility model discloses a real time blood vessel shaping imaging system based on CT 3D rebuilding and angiography which relates to an auxiliary blood vessel true shaping imaging system of an angiostar plus which includes a 1, the angiostar plus, 2, an optical detection tracer, a 3, a control unit, and a tracing display part 4. The angiostar plus consists of a C-type arm image intensifier, an image checker, an X-ray source and a C-type arm imaging system, and is used for collecting images of an operation area; the optical detection tracer captures the position information of the C-type arm through an infrared ray locating system and referring to the information transfer between units; the control unit consists of an image unit, a rectification unit and a registration unit; wherein the image unit receives the images of the two parts including CT 3D rebuilding and angiography before operation; the rectification unit receives the position information of the C-type arm transmitted from the infrared ray locating system; the registration unit integrates the information to complete registration, and builds a matching relationship between the images and the locating information; and the tracing display part displays the CT 3D blood vessel images of angiography and tracing in real time according to the information of the registration unit.
Description
Technical field
The imaging system of the relevant a kind of area of computer aided angiographic apparatus of this utility model especially relates to about utilizing CT three-dimensional reconstruction image to instruct the picture reproducer of secondary vessel contrastographic picture.
Background technology
Angiopathy is " first killer " of harm China and world's human health.At China and even its prevalence of the whole world and mortality rate is first of all kinds of diseases always, and prevalence has reached 30%.Vascular interventional treatment operation is the important means of current treatment angiopathy, and numeral shows according to statistics, and just there are nearly 200,000 examples in China in 2007 the only amount for surgical of percutaneous coronary operation (PCI), and in recent years with every year with 30% speed increment; U.S. PCI amount for surgical was 1,000,000 examples in 2007, and the not enough China of U.S. population 1/4th, along with the raising of China's resident living level, the prediction amount for surgical will rise year by year.
Angiography (DSA) is the important tool of intervention diagnosis and treatment, be described as is " goldstandard " of diagnosis blood vessel, but common DSA needs repeatedly injection could observe normotopia, side position and loxosis, the consumption of contrast medium is big, unfavorable to the patient, sometimes usually because throw according to factor such as position and be subjected to certain limitation, can cause mistaken diagnosis sometimes and fail to pinpoint a disease in diagnosis.
DSA is considered to the goldstandard that vascular lesion is checked always, but DSA is a kind of traumatic inspection that has after all, development along with many rows CT technology make the three-dimensional imaging of non-wound CT blood vessel become possibility, thereby have opened up a new scan method for the diagnosis of angiopathy.
Spiral CT can show the calcification of arteria coronaria, pathological change form such as narrow well, compares with coronary angiography, and its advantage is not have wound, the contrast medium consumption is few, the X line dosage that patient accepts is few, expense is few, applied widely, simple and easy to do, generally in 10-20 minute, can finish inspection; 3-dimensional image process software particularly by disposing in CT scan or the independent image workstation, a special kind of skill that the raw video data that CT scan is obtained are carried out the later stage image processing, can carry out the demonstration that the blood vessel true three-dimension is walked type, for treatment of diseases provides the path of clear and definite, for operative treatment provides reliable foundation.
Navigation system has two kinds of tracing and positioning patterns at present, and a kind of is electromagnetic system, and a kind of is optical system.Electromagnetic system is to utilize an electromagnetic wave generator to produce a certain size electromagnetic field in operative region, and the electromagnetic wave induction device is installed on the operating theater instruments, and the particular location of operating theater instruments is judged by system by the signal that receives electromagnetic inductor.The electromagnetic system price general charged is higher, and electromagnetic radiation causes certain influence to the equipment of conduit room.Optical system is to utilize infrared ray to carry out tracing and positioning, utilizes infrared camera to transmit and receive infrared ray, and video camera is judged the particular location of operation tool by receiving the infrared ray of launching on the operation tool or reflecting.
At angiography, the doctor needs the blood vessel structure information of enriching as much as possible, by the rotation of C type arm, different position images acquired, is convenient to observe focus, rebuilds the blood vessel 3 D anatomy structure by rule of thumb.The real-time blood vessel of angiography imaging system out of shape based on the guide of CT three-dimensional reconstruction, with the CT blood vessel 3-D view that receives before the art with need in operation, carry out information fusion by the positional information and the contrastographic picture of C type arm, thereby reach with contrast machine and show in real time that with angle CT blood vessel three-dimensional walks the function of type, follow the tracks of owing to will carry out the location of contrast machine C type arm in the art in real time, so the present invention adopts optical positioning apparatus.
Summary of the invention
The purpose of this utility model is proposing a kind of real-time blood vessel of angiography imaging system out of shape that guides based on the CT three-dimensional reconstruction, and it comprises:
1, angiography machine: it is by C type arm image amplifier, the image calibration device, and x-ray source and C type arm imaging system are formed, and are used for image acquisition is carried out in the corrective surgery zone;
2, optical detection tracking means:, catch the positional information that contrast machine C type arm moves by the information transmission between infrared ray location system and reference unit;
3, control unit: by elementary area, registration unit, registering unit constitutes, wherein elementary area receives two parts image, one is CT three-dimensional reconstruction image before the operative site art, and two be the blood vessel two dimension contrastographic picture from C type arm imaging system, registration unit reception infrared location system transmit about C type arm positional information, registering unit is finished registration process with above-mentioned information fusion, sets up the matching relationship of image and locating information;
4, tracing display part: according to the image information that sends from registering unit, move, show the three-dimensional blood vessel image of CT of radiography and tracking in real time according to C type arm position.
Compared with prior art, the beneficial effects of the utility model are: because contrast machine has been installed optical positioning apparatus, the institute so that its in operation, can mate in real time with CT three-dimensional reconstruction image before the art, thereby provide the blood vessel three-dimensional truly to walk type information to the patient fast and accurately.
Description of drawings
Fig. 1 is that the structure that this utility model is applied in the conduit room is formed sketch map.
Fig. 2 is the flow chart of checking with the real-time blood vessel of the angiography video picture out of shape that first example of the present utility model is guided based on the CT three-dimensional reconstruction.
The specific embodiment
See also shown in Figure 1ly, this utility model is composed as follows in the structure of conduit room:
1, contrast machine C type arm, 2, contrast machine catheter bed, 3, the nearly bed of contrast machine operating board, 4, contrast machine display, 5, contrast machine control room display screen, 6, three-dimensional angiography system optics location generator, 7, three-dimensional angiography system optics orientation tool, 8,3D three-dimensional angiography system real-time imaging display, 9, three-dimensional angiography system image workstation, 9-1, video output interface, 9-2, video input interface, 9-3, DVD drive equipment, 9-4, data hard disc apparatus, 9-5, mouse-keyboard equipment.
Three-dimensional angiography of the present utility model system includes optical alignment generator (6), optical alignment instrument (7), real-time imaging display (8), image workstation (9).Above-mentioned image workstation links to each other with the real-time imaging display with the optical alignment generator, which is provided with video output interface (9-1), video input interface (9-2), described video output interface (9-1) can link to each other with picture output device, display and real-time imaging display (8) that picture output device can carry for image workstation (9).Image input interface (9-2) connects medical imaging device, thereby the image of contrast machine is input in the system, and radiography image and system reconstructing image are shown side by side, is convenient to observe.Also be connected with DVD drive equipment (9-3), data hard disc apparatus (9-4) on the above-mentioned image workstation (9), be used for patient CT image is transferred in the system and rebuild.Optical alignment generator (6) connects optical alignment instrument (7) and image workstation (9), can be in the visible-range that optical alignment generator (6) produces the position of real-time tracing optical alignment generation instrument (7), this orientation tool is installed on the contrast machine C type arm, therefore, optical orientation device (6) gets final product the position of real-time tracing contrast machine C type arm in the real-time tracing optical alignment instrument (7) in art.And also be connected with mouse and keyboard (9-5) on the image workstation (9), can operate image workstation.
See also shown in Figure 2ly, the flow process that the real-time blood vessel of the angiography video picture out of shape that this utility model guides based on the CT three-dimensional reconstruction is checked is as follows:
1, at first the CT image data in the CT CD is imported in the real-time blood vessel of the angiography imaging system out of shape that guides based on the CT three-dimensional reconstruction, carry out three-dimensional reconstruction then.
2, gather the contrastographic picture of contrast machine output more in real time by video frequency collection card.
3, system will carry out registration to the CT image of three-dimensional reconstruction and the contrastographic picture of gathering in real time then.Registration process can adopt dual mode, is respectively manual registration and autoregistration.
4, after registration is finished, the CT image of three-dimensional reconstruction will reach synchronously with the contrastographic picture that contrast machine is gathered in real time, can locate tracking mutually.The location tracking mode is divided into two kinds, and a kind of is that forward is followed the trail of, and is exactly the rotation along with the C type arm of contrast machine, and the CT image of three-dimensional reconstruction will forward to C type arm and throw corresponding angle; Another kind is a reversely tracing, is exactly the CT image rotation that operator drag three-dimensional reconstruction, and system calculates the corresponding rotational angle of C type arm in real time.
5, after system finishes registration, can store positional information and the contrastographic picture and the corresponding C type arm radiography crevice projection angle thereof of registration.
Specific operation process in operation: at first on contrast machine C type arm, paste (7) at least two of optical alignment instruments, optical alignment instrument (7) should be in the visible light scope that optical alignment generator (6) produces, and is used for allowing the position of optical alignment generator (6) real-time tracing C type arm in art.Connection shown in the figure one, start are then pressed by system.Three-dimensional angiography system in the operation image workstation is input to system with patient CT image data, can pass through DVD drive device transmission patient data, and the form of data is the CT image.The 3-dimensional reconstruction of position (heart) then undergos surgery.Threedimensional model can carry out the angle variation and method is dwindled the translation demonstration.The three-dimensional angiography system connects contrast machine in the operation process, when the C of contrast machine type arm changes angle, the angle position of optical alignment generator (6) meeting real-time tracing C type arm also transfers to image workstation, the radiography image data can transfer to image workstation by image input interface (9-2) simultaneously, the three-dimensional angiography system turns to the viewing angle of the 3-dimensional image data of rebuilding consistent with the viewing angle of current radiography image automatically, register registration then, soon the 3-dimensional image of the preceding CT image reconstruction of the radiography image of actual patient and patient's art is placed on and carries out correspondence one by one in the same plane, allows the blood vessel blood vessel formation out of shape of rebuilding with CT out of shape of radiography image concern one to one.Carry out then following the tracks of in the art, because the position and the angle of optical alignment generator this moment (6) meeting real-time tracing C type arm, when therefore in art, changing the projection angle of C type arm, the three-dimensional angiography system can adjust threedimensional model automatically to same viewing angle, and the blood vessel blood vessel with the threedimensional model out of shape meeting out of shape of radiography is simultaneously carried out corresponding one by one.The doctor by out of shape and the two-dimentional blood vessel of the three-dimensional blood vessel corresponding relation out of shape of observing real-time imaging display (8) and seeing determine intervention tool whether on the route of performing the operation, apart from the distance of diseased region, non-blocking etc. is arranged on every side, by the above-mentioned intervene operation that can effectively finish heart and peripheral blood vessel thereof that is provided with.
Claims (6)
1. the imaging system of an area of computer aided angiographic apparatus is characterized in that comprising:
1.1, angiography machine: it is by C type arm image amplifier, the image calibration device, x-ray source and C type arm imaging system are formed, and are used for image acquisition is carried out in the corrective surgery zone;
1.2, the optical detection tracking means: by the information transmission between infrared ray location system and reference unit, catch the positional information that contrast machine C type arm moves;
1.3, control unit: by elementary area, registration unit, registering unit constitutes, wherein elementary area receives two parts image, one is CT three-dimensional reconstruction image before the operative site art, and two be the blood vessel two dimension contrastographic picture from C type arm imaging system, registration unit reception infrared location system transmit about C type arm positional information, registering unit is finished registration process with above-mentioned information fusion, sets up the matching relationship of image and locating information;
1.4, the tracing display part: according to the image information that sends from registering unit, move, show the three-dimensional blood vessel image of CT of radiography and tracking in real time according to C type arm position.
2. the imaging system of area of computer aided angiographic apparatus as claimed in claim 1, it is characterized in that: the optical alignment instrument of described optical positioning system generally is fixed on C type arm or its relevant position of contrast machine, and 2 optical alignment instruments are installed at least.
3. the imaging system of area of computer aided angiographic apparatus as claimed in claim 1 is characterized in that: described optical positioning system is by the emission infrared ray, and the locus of C type arm is determined in reception by the infrared ray information of optical alignment instrument reflected back.
4. the imaging system of area of computer aided angiographic apparatus as claimed in claim 1 is characterized in that: the valid analysing range of described optical positioning system is 950mm-3000mm.
5. the imaging system of area of computer aided angiographic apparatus as claimed in claim 1, it is characterized in that: the elementary area of described control unit comprises storage area, store the contrastographic picture of a plurality of real-time collections, comprise the contrastographic picture of at least two different angles.
6. the imaging system of area of computer aided angiographic apparatus as claimed in claim 1 is characterized in that: the image co-registration of the registering unit of described control unit partly is used to set up the organic connections between contrastographic picture and the optical tracker.
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| CN103892861A (en) * | 2012-12-28 | 2014-07-02 | 北京思创贯宇科技开发有限公司 | CT-XA-image- multi-dimensional fused-based simulation navigation system and method |
| CN103914814A (en) * | 2012-12-28 | 2014-07-09 | 北京思创贯宇科技开发有限公司 | Image fusion method and system for CT coronary image and XA angiography image |
| CN104596869A (en) * | 2015-02-02 | 2015-05-06 | 河海大学 | Test method of four-dimensional dynamic quantitative analysis during soil shear failure |
| CN106327479A (en) * | 2016-09-23 | 2017-01-11 | 西安电子科技大学 | Apparatus and method for identifying blood vessels in angiography-assisted congenital heart disease operation |
| CN107016685A (en) * | 2017-03-29 | 2017-08-04 | 浙江大学 | A kind of surgical scene augmented reality projective techniques of real-time matching |
| CN107854135A (en) * | 2017-12-19 | 2018-03-30 | 孙百成 | A kind of dept. of radiology's medical science radiography accessory system |
| CN108013934A (en) * | 2018-01-19 | 2018-05-11 | 上海联影医疗科技有限公司 | For intervening the intracavitary interventional systems of object |
| CN108403131A (en) * | 2012-06-11 | 2018-08-17 | 东芝医疗系统株式会社 | Radiographic apparatus |
| CN109985315A (en) * | 2017-12-29 | 2019-07-09 | 北京连心医疗科技有限公司 | A kind of nuclear-magnetism termed image-guided radiotherapy method, equipment and storage medium |
| CN111493830A (en) * | 2020-04-24 | 2020-08-07 | 天津恒宇医疗科技有限公司 | OCT three-dimensional visualization system based on coronary bifurcation lesion and working method |
| CN112603535A (en) * | 2020-12-29 | 2021-04-06 | 吉林大学第一医院 | Real-time stereo display system for craniocerebral intervention operation |
| CN114469153A (en) * | 2022-01-19 | 2022-05-13 | 中国医学科学院阜外医院 | Angiography device and equipment based on CT (computed tomography) image and computer readable medium |
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2008
- 2008-12-04 CN CN2008201239946U patent/CN201683906U/en not_active Expired - Fee Related
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| CN108403131B (en) * | 2012-06-11 | 2021-12-24 | 东芝医疗系统株式会社 | X-ray diagnostic apparatus |
| CN108403131A (en) * | 2012-06-11 | 2018-08-17 | 东芝医疗系统株式会社 | Radiographic apparatus |
| CN103914814A (en) * | 2012-12-28 | 2014-07-09 | 北京思创贯宇科技开发有限公司 | Image fusion method and system for CT coronary image and XA angiography image |
| CN103892861B (en) * | 2012-12-28 | 2016-05-11 | 北京思创贯宇科技开发有限公司 | A kind of analogue navigation system and method merging based on CT-XA image multi-dimensional |
| CN103914814B (en) * | 2012-12-28 | 2016-12-28 | 北京思创贯宇科技开发有限公司 | The image interfusion method of a kind of CT arteria coronaria image and XA contrastographic picture and system |
| CN103892861A (en) * | 2012-12-28 | 2014-07-02 | 北京思创贯宇科技开发有限公司 | CT-XA-image- multi-dimensional fused-based simulation navigation system and method |
| CN104596869A (en) * | 2015-02-02 | 2015-05-06 | 河海大学 | Test method of four-dimensional dynamic quantitative analysis during soil shear failure |
| CN106327479A (en) * | 2016-09-23 | 2017-01-11 | 西安电子科技大学 | Apparatus and method for identifying blood vessels in angiography-assisted congenital heart disease operation |
| CN106327479B (en) * | 2016-09-23 | 2018-11-20 | 西安电子科技大学 | The device and method that congenital heart disease art medium vessels recognize under angiography intermediary |
| CN107016685A (en) * | 2017-03-29 | 2017-08-04 | 浙江大学 | A kind of surgical scene augmented reality projective techniques of real-time matching |
| CN107854135A (en) * | 2017-12-19 | 2018-03-30 | 孙百成 | A kind of dept. of radiology's medical science radiography accessory system |
| CN109985315A (en) * | 2017-12-29 | 2019-07-09 | 北京连心医疗科技有限公司 | A kind of nuclear-magnetism termed image-guided radiotherapy method, equipment and storage medium |
| CN108013934A (en) * | 2018-01-19 | 2018-05-11 | 上海联影医疗科技有限公司 | For intervening the intracavitary interventional systems of object |
| CN111493830A (en) * | 2020-04-24 | 2020-08-07 | 天津恒宇医疗科技有限公司 | OCT three-dimensional visualization system based on coronary bifurcation lesion and working method |
| CN112603535A (en) * | 2020-12-29 | 2021-04-06 | 吉林大学第一医院 | Real-time stereo display system for craniocerebral intervention operation |
| CN114469153A (en) * | 2022-01-19 | 2022-05-13 | 中国医学科学院阜外医院 | Angiography device and equipment based on CT (computed tomography) image and computer readable medium |
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